#include <amdgpu_vm.hh>

Inheritance diagram for gem5::AMDGPUVM:

Classes
class	AGPTranslationGen
	Translation range generators. More...

struct	AMDGPUSysVMContext

class	GARTTranslationGen

struct	GEM5_PACKED

class	MMHUBTranslationGen

class	UserTranslationGen

Public Member Functions
	AMDGPUVM ()

void	setGPUDevice (AMDGPUDevice *gpu_device)

Addr	gartBase ()
	Return base address of GART table in framebuffer.

Addr	gartSize ()
	Return size of GART in number of PTEs.

bool	inGARTRange (Addr paddr)

void	readMMIO (PacketPtr pkt, Addr offset)

void	writeMMIO (PacketPtr pkt, Addr offset)

bool	inAGP (Addr vaddr)
	Methods for resolving apertures.

Addr	getAGPBot ()

Addr	getAGPTop ()

Addr	getAGPBase ()

bool	inMMHUB (Addr vaddr)

Addr	getMMHUBBase ()

Addr	getMMHUBTop ()

void	setMMHUBBase (Addr base)

void	setMMHUBTop (Addr top)

bool	inFB (Addr vaddr)

Addr	getFBBase ()

Addr	getFBTop ()

Addr	getFBOffset ()

bool	inSys (Addr vaddr)

Addr	getSysAddrRangeLow ()

Addr	getSysAddrRangeHigh ()

void	setMMIOAperture (mmio_range_t mmio_aperture, AddrRange range)

const AddrRange &	getMMIOAperture (Addr addr)

AddrRange	getMMIORange (mmio_range_t mmio_aperture)

Addr	getFrameAperture (Addr addr)

void	setPageTableBase (uint16_t vmid, Addr ptBase)
	Page table base/start accessors for user VMIDs.

Addr	getPageTableBase (uint16_t vmid)

Addr	getPageTableStart (uint16_t vmid)

void	registerTLB (VegaISA::GpuTLB *tlb)
	Control methods for TLBs associated with the GPU device.

void	invalidateTLBs ()

void	serialize (CheckpointOut &cp) const override
	Serialize an object.

void	unserialize (CheckpointIn &cp) override
	Unserialize an object.

Public Member Functions inherited from gem5::Serializable
	Serializable ()

virtual	~Serializable ()

void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section.

void	serializeSection (CheckpointOut &cp, const std::string &name) const

void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object.

void	unserializeSection (CheckpointIn &cp, const std::string &name)

Public Attributes
std::unordered_map< uint64_t, uint64_t >	gartTable
	Copy of GART table.

Private Types
typedef struct gem5::AMDGPUVM::GEM5_PACKED	AMDGPUVMContext

typedef gem5::AMDGPUVM::AMDGPUSysVMContext	AMDGPUSysVMContext

Private Member Functions
void	writeMMIOGfx900 (PacketPtr pkt, Addr offset)
	Different MMIO implements for different GFX versions with overlapping MMIO addresses.

void	writeMMIOGfx940 (PacketPtr pkt, Addr offset)

Private Attributes
AMDGPUDevice *	gpuDevice

AMDGPUSysVMContext	vmContext0

std::vector< AMDGPUVMContext >	vmContexts

uint64_t	mmhubBase = 0x0

uint64_t	mmhubTop = 0x0

std::vector< VegaISA::GpuTLB * >	gpu_tlbs
	List of TLBs associated with the GPU device.

std::array< AddrRange, NUM_MMIO_RANGES >	mmioRanges

Additional Inherited Members
Static Public Member Functions inherited from gem5::Serializable
static const std::string &	currentSection ()
	Gets the fully-qualified name of the active section.

static void	generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
	Generate a checkpoint file so that the serialization can be routed to it.

Detailed Description

Definition at line 135 of file amdgpu_vm.hh.

Member Typedef Documentation

◆ AMDGPUSysVMContext

typedef gem5::AMDGPUVM::AMDGPUSysVMContext gem5::AMDGPUVM::AMDGPUSysVMContext

private

◆ AMDGPUVMContext

typedef struct gem5::AMDGPUVM::GEM5_PACKED gem5::AMDGPUVM::AMDGPUVMContext

private

Constructor & Destructor Documentation

◆ AMDGPUVM()

gem5::AMDGPUVM::AMDGPUVM ( )

Definition at line 46 of file amdgpu_vm.cc.

References gem5::AMDGPU_VM_COUNT, gem5::ArmISA::i, mmioRanges, gem5::NUM_MMIO_RANGES, vmContext0, and vmContexts.

Referenced by gem5::AMDGPUVM::AGPTranslationGen::AGPTranslationGen(), gem5::AMDGPUVM::GARTTranslationGen::GARTTranslationGen(), gem5::AMDGPUVM::MMHUBTranslationGen::MMHUBTranslationGen(), and gem5::AMDGPUVM::UserTranslationGen::UserTranslationGen().

Member Function Documentation

◆ gartBase()

Addr gem5::AMDGPUVM::gartBase ( )

Return base address of GART table in framebuffer.

Definition at line 87 of file amdgpu_vm.cc.

References vmContext0.

Referenced by getFrameAperture(), and inGARTRange().

◆ gartSize()

Addr gem5::AMDGPUVM::gartSize ( )

Return size of GART in number of PTEs.

Definition at line 93 of file amdgpu_vm.cc.

References vmContext0.

Referenced by getFrameAperture(), and inGARTRange().

◆ getAGPBase()

Addr gem5::AMDGPUVM::getAGPBase ( )

inline

Definition at line 247 of file amdgpu_vm.hh.

References vmContext0.

◆ getAGPBot()

Addr gem5::AMDGPUVM::getAGPBot ( )

inline

Definition at line 245 of file amdgpu_vm.hh.

References vmContext0.

◆ getAGPTop()

Addr gem5::AMDGPUVM::getAGPTop ( )

inline

Definition at line 246 of file amdgpu_vm.hh.

References vmContext0.

◆ getFBBase()

Addr gem5::AMDGPUVM::getFBBase ( )

inline

Definition at line 267 of file amdgpu_vm.hh.

References vmContext0.

◆ getFBOffset()

Addr gem5::AMDGPUVM::getFBOffset ( )

inline

Definition at line 269 of file amdgpu_vm.hh.

References vmContext0.

◆ getFBTop()

Addr gem5::AMDGPUVM::getFBTop ( )

inline

Definition at line 268 of file amdgpu_vm.hh.

References vmContext0.

◆ getFrameAperture()

Addr gem5::AMDGPUVM::getFrameAperture ( Addr addr )

inline

Definition at line 287 of file amdgpu_vm.hh.

References gem5::X86ISA::addr, gartBase(), gartSize(), and warn_once.

◆ getMMHUBBase()

Addr gem5::AMDGPUVM::getMMHUBBase ( )

inline

Definition at line 255 of file amdgpu_vm.hh.

References mmhubBase.

Referenced by inMMHUB().

◆ getMMHUBTop()

Addr gem5::AMDGPUVM::getMMHUBTop ( )

inline

Definition at line 256 of file amdgpu_vm.hh.

References mmhubTop.

Referenced by inMMHUB().

◆ getMMIOAperture()

const AddrRange & gem5::AMDGPUVM::getMMIOAperture ( Addr addr )

Definition at line 74 of file amdgpu_vm.cc.

References gem5::ArmISA::i, mmioRanges, gem5::NBIO_MMIO_RANGE, gem5::NUM_MMIO_RANGES, and gem5::ArmISA::offset.

◆ getMMIORange()

AddrRange gem5::AMDGPUVM::getMMIORange ( mmio_range_t mmio_aperture )

Definition at line 68 of file amdgpu_vm.cc.

References mmioRanges.

◆ getPageTableBase()

Addr gem5::AMDGPUVM::getPageTableBase ( uint16_t vmid )

inline

Definition at line 311 of file amdgpu_vm.hh.

References vmContexts.

◆ getPageTableStart()

Addr gem5::AMDGPUVM::getPageTableStart ( uint16_t vmid )

inline

Definition at line 318 of file amdgpu_vm.hh.

References vmContexts.

◆ getSysAddrRangeHigh()

Addr gem5::AMDGPUVM::getSysAddrRangeHigh ( )

inline

Definition at line 279 of file amdgpu_vm.hh.

References vmContext0.

◆ getSysAddrRangeLow()

Addr gem5::AMDGPUVM::getSysAddrRangeLow ( )

inline

Definition at line 278 of file amdgpu_vm.hh.

References vmContext0.

◆ inAGP()

bool gem5::AMDGPUVM::inAGP ( Addr vaddr )

inline

Methods for resolving apertures.

Definition at line 240 of file amdgpu_vm.hh.

References gem5::MipsISA::vaddr, and vmContext0.

◆ inFB()

bool gem5::AMDGPUVM::inFB ( Addr vaddr )

inline

Definition at line 262 of file amdgpu_vm.hh.

References gem5::MipsISA::vaddr, and vmContext0.

◆ inGARTRange()

bool gem5::AMDGPUVM::inGARTRange ( Addr paddr )

inline

Definition at line 222 of file amdgpu_vm.hh.

References gartBase(), and gartSize().

◆ inMMHUB()

bool gem5::AMDGPUVM::inMMHUB ( Addr vaddr )

inline

Definition at line 250 of file amdgpu_vm.hh.

References getMMHUBBase(), getMMHUBTop(), and gem5::MipsISA::vaddr.

◆ inSys()

bool gem5::AMDGPUVM::inSys ( Addr vaddr )

inline

Definition at line 272 of file amdgpu_vm.hh.

References gem5::MipsISA::vaddr, and vmContext0.

◆ invalidateTLBs()

void gem5::AMDGPUVM::invalidateTLBs ( )

Definition at line 280 of file amdgpu_vm.cc.

References DPRINTF, gpu_tlbs, and gem5::ArmISA::tlb.

◆ readMMIO()

void gem5::AMDGPUVM::readMMIO	(	PacketPtr	pkt,
		Addr	offset )

Definition at line 99 of file amdgpu_vm.cc.

References gem5::bits(), DPRINTF, gem5::Packet::getLE(), MI300X_VM_INVALIDATE_ENG17_ACK, mmhubBase, mmhubTop, mmMMHUB_VM_FB_LOCATION_BASE, mmMMHUB_VM_FB_LOCATION_TOP, mmMMHUB_VM_INVALIDATE_ENG17_ACK, mmMMHUB_VM_INVALIDATE_ENG17_SEM, mmVM_INVALIDATE_ENG17_ACK, gem5::ArmISA::offset, and gem5::Packet::setLE().

◆ registerTLB()

void gem5::AMDGPUVM::registerTLB ( VegaISA::GpuTLB * tlb )

Control methods for TLBs associated with the GPU device.

Definition at line 273 of file amdgpu_vm.cc.

References DPRINTF, gpu_tlbs, and gem5::ArmISA::tlb.

◆ serialize()

void gem5::AMDGPUVM::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 290 of file amdgpu_vm.cc.

References gem5::AMDGPU_VM_COUNT, gartTable, gem5::ArmISA::i, mmhubBase, mmhubTop, SERIALIZE_ARRAY, SERIALIZE_SCALAR, vmContext0, and vmContexts.

◆ setGPUDevice()

void gem5::AMDGPUVM::setGPUDevice ( AMDGPUDevice * gpu_device )

inline

Definition at line 210 of file amdgpu_vm.hh.

References gpuDevice.

◆ setMMHUBBase()

void gem5::AMDGPUVM::setMMHUBBase ( Addr base )

inline

Definition at line 258 of file amdgpu_vm.hh.

References gem5::RiscvISA::base, and mmhubBase.

◆ setMMHUBTop()

void gem5::AMDGPUVM::setMMHUBTop ( Addr top )

inline

Definition at line 259 of file amdgpu_vm.hh.

References mmhubTop.

◆ setMMIOAperture()

void gem5::AMDGPUVM::setMMIOAperture	(	mmio_range_t	mmio_aperture,
		AddrRange	range )

Definition at line 62 of file amdgpu_vm.cc.

References mmioRanges.

◆ setPageTableBase()

void gem5::AMDGPUVM::setPageTableBase	(	uint16_t	vmid,
		Addr	ptBase )

inline

Page table base/start accessors for user VMIDs.

Definition at line 305 of file amdgpu_vm.hh.

References vmContexts.

◆ unserialize()

void gem5::AMDGPUVM::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 341 of file amdgpu_vm.cc.

References gem5::AMDGPU_VM_COUNT, gartTable, gem5::ArmISA::i, mmhubBase, mmhubTop, UNSERIALIZE_ARRAY, UNSERIALIZE_SCALAR, vmContext0, and vmContexts.

◆ writeMMIO()

void gem5::AMDGPUVM::writeMMIO	(	PacketPtr	pkt,
		Addr	offset )

Definition at line 260 of file amdgpu_vm.cc.

References gpuDevice, gem5::ArmISA::offset, writeMMIOGfx900(), and writeMMIOGfx940().

◆ writeMMIOGfx900()

void gem5::AMDGPUVM::writeMMIOGfx900	(	PacketPtr	pkt,
		Addr	offset )

private

Different MMIO implements for different GFX versions with overlapping MMIO addresses.

Definition at line 136 of file amdgpu_vm.cc.

References gem5::bits(), gem5::Packet::getLE(), gem5::insertBits(), mmMC_VM_AGP_BASE, mmMC_VM_AGP_BOT, mmMC_VM_AGP_TOP, mmMC_VM_FB_LOCATION_BASE, mmMC_VM_FB_LOCATION_TOP, mmMC_VM_FB_OFFSET, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, gem5::ArmISA::offset, gem5::X86ISA::val, and vmContext0.

Referenced by writeMMIO().

◆ writeMMIOGfx940()

void gem5::AMDGPUVM::writeMMIOGfx940	(	PacketPtr	pkt,
		Addr	offset )

private

Member Data Documentation

◆ gartTable

std::unordered_map<uint64_t, uint64_t> gem5::AMDGPUVM::gartTable

Copy of GART table.

Typically resides in device memory, however we use a copy in gem5 to simplify the interface.

Definition at line 231 of file amdgpu_vm.hh.

Referenced by serialize(), and unserialize().

◆ gpu_tlbs

std::vector<VegaISA::GpuTLB *> gem5::AMDGPUVM::gpu_tlbs

private

List of TLBs associated with the GPU device.

This is used for flushing the TLBs upon a driver request.

Definition at line 196 of file amdgpu_vm.hh.

Referenced by invalidateTLBs(), and registerTLB().

◆ gpuDevice

AMDGPUDevice* gem5::AMDGPUVM::gpuDevice

private

Definition at line 138 of file amdgpu_vm.hh.

Referenced by setGPUDevice(), and writeMMIO().

◆ mmhubBase

uint64_t gem5::AMDGPUVM::mmhubBase = 0x0

private

Definition at line 189 of file amdgpu_vm.hh.

Referenced by getMMHUBBase(), readMMIO(), serialize(), setMMHUBBase(), and unserialize().

◆ mmhubTop

uint64_t gem5::AMDGPUVM::mmhubTop = 0x0

private

Definition at line 190 of file amdgpu_vm.hh.

Referenced by getMMHUBTop(), readMMIO(), serialize(), setMMHUBTop(), and unserialize().

◆ mmioRanges

std::array<AddrRange, NUM_MMIO_RANGES> gem5::AMDGPUVM::mmioRanges

private

Definition at line 205 of file amdgpu_vm.hh.

Referenced by AMDGPUVM(), getMMIOAperture(), getMMIORange(), and setMMIOAperture().

◆ vmContext0

AMDGPUSysVMContext gem5::AMDGPUVM::vmContext0

private

Definition at line 184 of file amdgpu_vm.hh.

Referenced by AMDGPUVM(), gartBase(), gartSize(), getAGPBase(), getAGPBot(), getAGPTop(), getFBBase(), getFBOffset(), getFBTop(), getSysAddrRangeHigh(), getSysAddrRangeLow(), inAGP(), inFB(), inSys(), serialize(), unserialize(), writeMMIOGfx900(), and writeMMIOGfx940().

◆ vmContexts

std::vector<AMDGPUVMContext> gem5::AMDGPUVM::vmContexts

private

Definition at line 185 of file amdgpu_vm.hh.

Referenced by AMDGPUVM(), getPageTableBase(), getPageTableStart(), serialize(), setPageTableBase(), and unserialize().

The documentation for this class was generated from the following files:

dev/amdgpu/amdgpu_vm.hh
dev/amdgpu/amdgpu_vm.cc

Classes

Public Member Functions

Public Attributes

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ AMDGPUSysVMContext

◆ AMDGPUVMContext

Constructor & Destructor Documentation

◆ AMDGPUVM()

Member Function Documentation

◆ gartBase()

◆ gartSize()

◆ getAGPBase()

◆ getAGPBot()

◆ getAGPTop()

◆ getFBBase()

◆ getFBOffset()

◆ getFBTop()

◆ getFrameAperture()

◆ getMMHUBBase()

◆ getMMHUBTop()

◆ getMMIOAperture()

◆ getMMIORange()

◆ getPageTableBase()

◆ getPageTableStart()

◆ getSysAddrRangeHigh()

◆ getSysAddrRangeLow()

◆ inAGP()

◆ inFB()

◆ inGARTRange()

◆ inMMHUB()

◆ inSys()

◆ invalidateTLBs()

◆ readMMIO()

◆ registerTLB()

◆ serialize()

◆ setGPUDevice()

◆ setMMHUBBase()

◆ setMMHUBTop()

◆ setMMIOAperture()

◆ setPageTableBase()

◆ unserialize()

◆ writeMMIO()

◆ writeMMIOGfx900()

◆ writeMMIOGfx940()

Member Data Documentation

◆ gartTable

◆ gpu_tlbs

◆ gpuDevice

◆ mmhubBase

◆ mmhubTop

◆ mmioRanges

◆ vmContext0

◆ vmContexts